728901784 has 16 divisors (see below), whose sum is σ = 1471821120. Its totient is φ = 336416160.

The previous prime is 728901779. The next prime is 728901793. The reversal of 728901784 is 487109827.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3504232 + ... + 3504439.

It is an arithmetic number, because the mean of its divisors is an integer number (91988820).

Almost surely, 2^728901784 is an apocalyptic number.

It is an amenable number.

728901784 is an abundant number, since it is smaller than the sum of its proper divisors (742919336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

728901784 is a wasteful number, since it uses less digits than its factorization.

728901784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7008690 (or 7008686 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 728901784 is about 26998.1811239202. The cubic root of 728901784 is about 899.9595800777.

The spelling of 728901784 in words is "seven hundred twenty-eight million, nine hundred one thousand, seven hundred eighty-four".